point in the figure

using System;
using System.Linq;

class Program
{
    static void Main()
    {
        int h = int.Parse(Console.ReadLine());
        int x = int.Parse(Console.ReadLine());
        int y = int.Parse(Console.ReadLine());

        //check if the point is inside the figure

        if ((x>h&&x<2*h&&y>h&&y<4*h) || (x>0&&x<3*h&&y>0&&y<h)||(y==h&&x>h&&x<2*h))
        {
            Console.WriteLine("inside");
        }

        //check if the point is on the border
        else if ((x>=h&&x<=2*h&&y==4*h)||((y>=h&&y<=4*h)&&(x==h||x==2*h))||((x>=0&&x<=3*h))&&(y==0||y==h)||(y>=0&&y<=h)&&(x==0||x==3*h))
        {
            Console.WriteLine("border");
        }
        //if not inside or a border, it's outside:
        else
        {
            Console.WriteLine("outside");
        }

    }
}